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18010696904 = 2319373202471
BaseRepresentation
bin10000110001100001…
…010110110011001000
31201111012022012102022
4100301201112303020
5243341214300104
612135103424012
71205215253264
oct206141266310
951435265368
1018010696904
117702629182
1235a78b5008
131910507405
14c2c0130a4
157062bcbbe
hex431856cc8

18010696904 has 32 divisors (see below), whose sum is σ = 36508180800. Its totient is φ = 8300802240.

The previous prime is 18010696861. The next prime is 18010696939. The reversal of 18010696904 is 40969601081.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1595612 + ... + 1606859.

It is an arithmetic number, because the mean of its divisors is an integer number (1140880650).

Almost surely, 218010696904 is an apocalyptic number.

It is an amenable number.

18010696904 is an abundant number, since it is smaller than the sum of its proper divisors (18497483896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18010696904 is a wasteful number, since it uses less digits than its factorization.

18010696904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3202533 (or 3202529 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 44.

The spelling of 18010696904 in words is "eighteen billion, ten million, six hundred ninety-six thousand, nine hundred four".

Divisors: 1 2 4 8 19 37 38 74 76 148 152 296 703 1406 2812 5624 3202471 6404942 12809884 25619768 60846949 118491427 121693898 236982854 243387796 473965708 486775592 947931416 2251337113 4502674226 9005348452 18010696904